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Course Content
Module 1: Introduction to THEP and the Guide
This module provides a brief overview of THEP, and provides a full list of the abbreviations and acronyms mentioned throughout the training sections.
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About THEP
Abbreviations & Acronyms
Module 2: Key THEP / THEC points in brief.
The sections below provide high-level information on THEP, the partners, and ways of working. The aim is to provide some context before you dive into the detail of each set of resources.
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About
Our Ways of Working
Key Actions
Who Is This Guide For?
How To Use This Guide
Module 2 Learnings
Module 3: THEP’s purpose, values, key resources, and an overview of partner organizations
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THEP’s Purpose & Values
Key Resources & Links
Module 3 Learnings
Module 4: THEP’s origin
This module provides information on THEP’s origin, as well as key details on study findings from 1990-2000 and how this influences current ways of working.
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How THEP Began
Module 4 Learnings
Module 5: Applying our values & ways of working
This module includes further information on THEP’s ways of working and also provides examples of how THEP applies our values.
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The Secret Sauce In Trail
What’s Next?
Module 5 Learnings
Module 6: Details on THEP’s work, including topic briefs
This module includes detail on THEP’s work. Topic briefs have been created to provide clear examples of how THEP works.
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What Does THEP Deliver and Who Does What?
Change Over Time
Introduction to Topic Briefs
Air Quality
Health
Soil Management
Module 6 Learnings
Module 7: Internal communications (for local THEP team)
This module includes details on communications and reporting.
Trail Area Health & Environment Program (THEP) Onboarding Guide 101

Change Over Time

The graph below shows the annual average for lead in community air, as well as lead in children’s blood from 1992 to 2024. The graph indicates:

  • Since 2018, Pb in airborne dust has been lower than the U.S. EPA standard of 0.15 micrograms per cubic metre µg/m3. Canada doesn’t have an applicable standard.
  • Teck’s Fugitive Dust Reduction Program (a program focused on reducing emissions from fugitive or non-stack sources) has delivered an 80% reduction in Pb in airborne dust in the community since 2012.

The graph below provides further detail on the one above. It shows mean blood lead levels for children living in Trail compared to those in Canada and the USA. The graph indicates:

  • All groups (Trail Areas 2 & 3, Area 1, Canada, and the U.S.) show a strong downward trend in children’s blood lead concentrations from 1991 to 2024.
  • Children in Trail (Areas 2 & 3) began the period with much higher lead levels than the U.S. or Canada, but levels dropped sharply following major industrial change (such as the KIVCET smelter introduction and dust-reduction programs) approaching North American averages by the 2020s.
  • By 2020–2024, blood lead levels across all groups fall below ~3 µg/dL, indicating substantial long-term improvement and narrowing of regional differences.
  • It’s important to note that children in Trail are tested at the age when blood leads typically peak. Children across Canada and the U.S. are tested for a different age range including older children, where blood lead levels typically trend down. Therefore, it’s not a direct comparison.

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